US4667674A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surgical fastener exhibiting improved hemostasis
Assignee: United States Surgical Corp
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Filing: 1985-06-05
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Granted: 1987-05-26
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Expires: 2005-06-05
Abstract
Abstract A surgical fastener comprising a fastener member and a retainer member is disclosed. The fastener provides improved hemostasis and, desirably, is of a resinous material that is absorbable in the body. The fastener member has prongs which extend substantially perpendicularly from a base to interlock with apertures in the retainer member. The base and the retainer member are substantially equal in length, and each prong extends from a point on the base spaced inward from its respective end of the base. The fasteners are preferably applied by apparatus including a pusher associated with each fastener member and having a particular structural relationship to the associated fastener member.
Inventors
- 👤 Herbert W. Korthoff
- 👤 David T. Green
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:52
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/064; A61B17/0643; A61B17/068; A61B17/072
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
209 words
In combination: apparatus for applying a plurality of surgical fasteners to body tissue, each of the fasteners having a fastener member and a retainer member; a plurality of retainer members positioned within the apparatus, said retainer members being oriented in a row such that the longitudinal centerlines thereof extend substantially in the direction of the row, each retainer member nearly touching each retainer member adjacent thereto; and a corrsponding number of fastener members positioned within the apparatus, each of the fastener members comprising a base and a pair of substantially parallel tissue-piercing prongs extending substantially perpendicularly from the base, the length of the base being substantially equal to the length of the retainer member, each prong being spaced inward from its respective end of the base thereby defining tissue-engaging extensions of the base between each prong and its respective end of the base, said fastener members being oriented in a row parallel to said row of retainer members such that the longitudinal centerlines of said fastener members extend substantially in the direction of the row and the tissure-engaging extensions of each fastener member in the row nearly touch a tissure-engaging extension of each fastener member adjacent thereto, thereby providing essentially total hemostasis when the fasteners are applied to tissue.
Claim 2
Dependent Claim
209 words
In combination: apparatus for applying a plurality of surgical fasteners to body tissue, each of the fasteners having a fastener member and a retainer member; a plurality of retainer members positioned within the apparatus, said retainer members being oriented in a row such that the longitudinal centerlines thereof extend substantially in the direction of the row, each retainer member nearly touching each retainer member adjacent thereto; and a corrsponding number of fastener members positioned within the apparatus, each of the fastener members comprising a base and a pair of substantially parallel tissue-piercing prongs extending substantially perpendicularly from the base, the length of the base being substantially equal to the length of the retainer member, each prong being spaced inward from its respective end of the base thereby defining tissue-engaging extensions of the base between each prong and its respective end of the base, said fastener members being oriented in a row parallel to said row of retainer members such that the longitudinal centerlines of said fastener members extend substantially in the direction of the row and the tissure-engaging extensions of each fastener member in the row nearly touch a tissure-engaging extension of each fastener member adjacent thereto, thereby providing essentially total hemostasis when the fasteners are applied to tissue.
Claim 3
Dependent Claim
97 words
The combination of claim 1 wherein the apparatus further comprises a number of pusher members corresponding to the number of fastener members for pushing the fastener members through tissue into engagement with the retainer members, the length of the face of each pusher member parallel to the base of each fastener member being substantially equal to the length of the base of each fastener member so that when each pusher member contacts the base of its respective fastener member, the pusher member exerts pressure along substantially the entire length of the base of its respective fastener member.
Claim 4
Dependent Claim
18 words
The combination of claim 2 wherein the fastener members and retainer members are made of a resinous material.
Claim 5
Dependent Claim
14 words
The combination of claim 3 wherein the resinous material is absorbable in the body.
Claim 6
Dependent Claim
26 words
The combination of claim 2 wherein the prongs of the fastener member are substantially equidistant from the transverse centerline of the base of the fastener member.
Claim 7
Dependent Claim
18 words
The combination of claim 5 wherein the fastener members and retainer members are made of a resinous material.
Claim 8
Dependent Claim
14 words
The combination of claim 6 wherein the resinous material is absorbable in the body.
Claim 9
Dependent Claim
226 words
In combination: a plurality of surgical fasteners for application to body tissure, each of the fasteners having a fastener member and a retainer member, and an apparatus for applying said plurality of fasteners to said body tissue, said apparatus including pusher means for pushing the fastener members through tissue into engagement with the retainer members; said retainer members being oriented in a row in each apparatus such that the longitudinal centerlines thereof extend substantially in the direction of the row, each retainer member nearly touching each retainer member adjacent thereto; and each of the fastener members comprising a base and a pair of substantially parallel tissue-piercing prongs extending substantially perpendicularly from the base, the length of the base being substantially equal to the length of the retainer member, each prong being spaced inward from its respective end of the base thereby defining tissue-engaging extensions of the base between each prong and its respective end of the base, said fastener members being oriented in said apparatus in a row parallel to said row of retainer members such that the longitudinal centerlines of said fastener members extend substantially in the direction of the row and the tissue-engaging extensions of each fastener member in the row nearly touch a tissue-engaging extension of each fastener member adjacent thereto, thereby providing essentially total hemostasis when the fasteners are applied to tissue.
Claim 10
Dependent Claim
226 words
In combination: a plurality of surgical fasteners for application to body tissure, each of the fasteners having a fastener member and a retainer member, and an apparatus for applying said plurality of fasteners to said body tissue, said apparatus including pusher means for pushing the fastener members through tissue into engagement with the retainer members; said retainer members being oriented in a row in each apparatus such that the longitudinal centerlines thereof extend substantially in the direction of the row, each retainer member nearly touching each retainer member adjacent thereto; and each of the fastener members comprising a base and a pair of substantially parallel tissue-piercing prongs extending substantially perpendicularly from the base, the length of the base being substantially equal to the length of the retainer member, each prong being spaced inward from its respective end of the base thereby defining tissue-engaging extensions of the base between each prong and its respective end of the base, said fastener members being oriented in said apparatus in a row parallel to said row of retainer members such that the longitudinal centerlines of said fastener members extend substantially in the direction of the row and the tissue-engaging extensions of each fastener member in the row nearly touch a tissue-engaging extension of each fastener member adjacent thereto, thereby providing essentially total hemostasis when the fasteners are applied to tissue.
Claim 11
Dependent Claim
105 words
The combination of claim 8 wherein said pusher means comprises a plurality of pusher members corresponding to said plurality of surgical fasteners, each of said pusher members having a face for pushing against the base of a respective one of said fastener members, the length of the face of each pusher member parallel to the base of each fastener member being substantially equal to the length of the base of each fastener member so that when each pusher member contacts the base of its respective fastener member, the pusher member exerts pressure along substantially the entire length of the base of its respective fastener member.
Claim 12
Dependent Claim
18 words
The combination of claim 9 wherein the fastener members and retainer members are made of a resinous material.
Claim 13
Dependent Claim
14 words
The combination of claim 10 wherein the resinous material is absorbable in the body.
Claim 14
Dependent Claim
26 words
The combination of claim 9 wherein the prongs of the fastener member are substantially equidistant from the transverse centerline of the base of the fastener member.
Claim 15
Dependent Claim
18 words
The combination of claim 12 wherein the fastener members and retainer members are made of a resinous material.
Claim 16
Dependent Claim
14 words
The combination of claim 13 wherein the resinous material is absorbable in the body.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1990-05-25 | 1990-11-24 | 1991-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-05-25 | 1994-11-24 | 1995-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-05-25 | 1998-11-24 | 1999-05-26 | $7700.00 | Window Closed / Lapsed |